11321004 has 24 divisors (see below), whose sum is σ = 26535600. Its totient is φ = 3756544.

The previous prime is 11321003. The next prime is 11321029. The reversal of 11321004 is 40012311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11321003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 4820.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^11321004 is an apocalyptic number.

It is an amenable number.

11321004 is an abundant number, since it is smaller than the sum of its proper divisors (15214596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321004 is a wasteful number, since it uses less digits than its factorization.

11321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11321004 is about 3364.6699689568. The cubic root of 11321004 is about 224.5406529853.

Adding to 11321004 its reverse (40012311), we get a palindrome (51333315).

The spelling of 11321004 in words is "eleven million, three hundred twenty-one thousand, four".